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计算代数数值论教程(英文版)

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计算代数数值论教程(英文版)

最 低 价:¥59.90

定 价:¥81.00

作 者:H.Cohen 著

出 版 社:世界图书出版公司

出版时间:1997-9-1

I S B N:9787506233101

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内容简介

With the advent of powerful computing tools and numerous advances in mathematics, computer science and cryptography, algorithmic number theory has become an important subject in its own right. Both external and internal pressures gave a powerful impetus to the development of more powerful algorithms. These in turn led to a large number of spectacular breakthroughs. To mention but a few, the LLL algorithm which has a wide range of applications, including real world applications to integer programming, primality testing and factoring algorithms, sub-exponential class group and regulator algorithms, etc ...

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目录

Chapter 1 Fundamental Number-Theoretic Algorithms
 1.1 Introduction
  1.1.1 Algorithms
  1.1.2 Multi-precision
  1.1.3 Base Fields and Rings
  1.1.4 Notations
 1.2 The Powering Algorithms
 1.3 Euclid's Algorithms
  1.3.1 Euclid's and Lehmer's Algorithms
  1.3.2 Euclid's Extended Algorithms
  1.3.3 The Chinese Remainder Theorem
  1.3.4 Continued Fraction Expansions of Real Numbers
 1.4 The Legendre Symbol
  1.4.1 The Groups (Z/nZ)*
  1.4.2 The Legendre-Jacobi-Kronecker Symbol
 1.5 Computing Square Roots Modulo p
  1.5.1 The Algorithm of Tonelli and Shanks
  1.5.2 The Algorithm of Cornacchia
 1.6 Solving Polynomial Equations Modulo p
 1.7 Power Detection
……
1.8 Exercises for Chapter 1
Chapter 2 Algorithms for Linear AQlgebra and Lattices
2.1 Introducion
2.2 Linear Algebra Algorithms on Square Matrices
2.3 Linear Algebra on General Matrices
2.4 Z-Modules and the Hermite and Smith Normal Forms
2.5 Generalities on Lattices
2.6 Lattice Reducion Algorithms
2.7 Applications of the LLL Algorithm
2.8 Exercises for Chapter 2
Chapter 3 Algorithms on Polynomials
3.1 Basic Algorithms
3.2 Euclid's Algorithms for Polynomials
3.3 The Sub-Resultant Algorithm
3.4 Factorization of Polynomials Modulo p
3.5 Factoriztion of Polynomials over Z or Q
3.6 Additiional Polynomial Algoritms
3.7 Exercises for Chapter 3
Cahpter 4 Algorithms for Algebraic Number Theory I
Cahpter 5 Algorithms for Quadratic Fields
Cahpter 6 Algorithms for Algebraic Number Theory II
Cahpter 7 Introducion to Elliptic Curves
Cahpter 8 Factoring in the Dark Ages
Cahpter 9 Modern Primality Tests
Cahpter 10 Modern Factoring Methods
Appendix A Packages for Number Theory
Appendix B Some Useful Tables
Bibliography
Index

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